Factors associated with mortality in patients undergoing coronary artery bypass grafting

Cintia Koerich1, Gabriela Marcellino de Melo Lanzoni2, Alacoque Lorenzini Erdmann3

  • 1Doctoral Student, Centro de Ciências da Saúde, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil. RN, Hospital Infantil Joana de Gusmão, Secretaria do Estado da Saúde de Santa Catarina, São José, SC, Brazil.

Insights

This study identified factors linked to mortality after coronary artery bypass grafting (CABG). Female patients and Black individuals had higher mortality rates, with septic shock prolonging hospitalization and increasing death risk.

Area of Science:

  • Cardiovascular Surgery
  • Public Health

Background:

  • Coronary artery bypass grafting (CABG) is a critical procedure for treating coronary artery disease.
  • Understanding mortality factors post-CABG is essential for improving patient outcomes and healthcare strategies.

Purpose of the Study:

  • To investigate factors associated with mortality in patients undergoing coronary artery bypass grafting.
  • To identify demographic, clinical, and hospitalization-related variables influencing CABG patient survival.

Main Methods:

  • A quantitative, exploratory, descriptive, and retrospective study.
  • Analysis of medical records from 1447 patients between 2005 and 2013.
  • Statistical analysis of patient profiles, diagnoses, risk factors, complications, and causes of death.

Main Results:

  • The overall mortality rate was 5.3% during the study period.
  • Higher mortality was observed in females and Black patients, with a mean age of 65 years.
  • Acute myocardial infarction was the most common diagnosis; cardiovascular complications were frequent, and prolonged hospitalization correlated with death from septic shock.

Conclusions:

  • Findings support nursing interventions for early complication detection and prevention in CABG patients.
  • Data can serve as quality indicators for healthcare managers to improve patient care planning and high-complexity health services.
Abstract

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